Vargas, ?Papas Sudper. 1: 92. 1949 ["1946"].?, 1949.

Vargas, ?Papas Sudper. 1: 90. 1949 ["1946"].?, 1949.

Vargas, ?Papas Sudper. 1: 93. 1949 ["1946"].?, 1949.

Vargas, ?Papas Sudper. 1: 83. 1949 ["1946"].?, 1949.